"""API 요청/응답 모델.

FastAPI + Discord Bot 공용 데이터 모델입니다.
"""

from enum import Enum
from pydantic import BaseModel, Field
from datetime import datetime


class TaskStatus(str, Enum):
    """작업 상태."""
    PENDING = "pending"
    PLANNING = "planning"
    EXECUTING = "executing"
    REVIEWING = "reviewing"
    DONE = "done"
    ERROR = "error"


class TaskRequest(BaseModel):
    """작업 요청."""
    project: str = Field(
        default=".",
        description="프로젝트 경로 (기본: 현재 디렉토리)",
    )
    request: str = Field(
        ...,
        description="사용자 작업 요청 (자연어)",
    )
    mode: str = Field(
        default="general",
        description="실행 모드: general | secure",
    )


class TaskProgress(BaseModel):
    """작업 진행 단계."""
    phase: str
    message: str
    timestamp: datetime = Field(default_factory=datetime.now)


class TaskResponse(BaseModel):
    """작업 결과."""
    task_id: str
    status: TaskStatus = TaskStatus.PENDING
    request: str = ""
    plan: dict | None = None
    progress: list[TaskProgress] = Field(default_factory=list)
    result: dict | None = None
    error: str | None = None
    created_at: datetime = Field(default_factory=datetime.now)
    updated_at: datetime = Field(default_factory=datetime.now)


class HealthResponse(BaseModel):
    """헬스체크 응답."""
    status: str = "ok"
    version: str = "0.1.0"
    uptime_seconds: float = 0.0